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<br />Annual Impoundment Certification Report <br />Mining Area New Horizon Mine <br />Date Inspected 08 February 2010 <br />Impoundment 007 <br />1. Are there any appearances of erosion, instability, structural weakness or <br />other hazardous conditions? No <br />if yes explain <br />2. The depth and elevation of any impounded waters at the time of <br />inspection: Water is not flowing through the weep hole water elev <br />5641.1 <br />3. Existing storage capacity of water in the impoundment (from lowest weep <br />hole or principal spillway) 17.40 ac-ft, 5640.65 <br />4. Design storage capacity of water in the impoundment (from lowest weep <br />hole or principal spillway) 22.08 Ac-Ft, 5644.50 <br />5. Any other aspects of the structure affecting stability, or required <br />maintenance? No <br />6. Has structure been maintained as designed and in accordance with the <br />approved plan and the applicable regulations? Yes <br />If no explain <br />7. Inflow volume from a 10yr-24Hr storm: 27.85 Ac-Ft <br />8. Capacity of impoundment from lowest weep hole to riser: 18.615 Ac-Ft <br />PROFESSIONAL ENGINEER'S STATEMENT <br />I state that this pond was inspected and surveyed under my <br />supervision and all the information presented heron is true and <br />correct to the best of my knowledge and information <br />Z" I L3 <br />Date Ross L. Gubka, CO . 8950 <br />F:\Eng\DATA\WP\pond-banks\2010\2010 Annual Impoundment Certification Report.doc <br />o '?,Uklls '•.F <br />' s <br />1CC 28M -" <br />f <br />?? f